|7 cm Gebirgsgeschütz M 99|
A Gebirgsgeschütz M 99 in action
|Place of origin||Austria-Hungary|
|Wars||World War I|
|Weight||315 kilograms (694 lb)|
|Shell||4.68 kg (10.3 lb)|
|Caliber||70 millimetres (2.8 in)|
|Breech||eccentric interrupted screw|
|Elevation||-10° to +26°|
|Muzzle velocity||310 m/s (1,000 ft/s)|
|Maximum range||4,800 m (5,200 yd)|
The 7 cm Gebirgsgeschütz M 99 was a mountain gun used by Austria-Hungary during World War I. It was obsolete upon introduction as it had a bronze barrel and only a spring-loaded spade to absorb the recoil forces and it had to be relaid after every shot. Although to be fair to the Austro-Hungarians, the high elevations required of mountain guns greatly complicated the provision of barrel recoil systems as the breech could recoil right into the ground, and it would be some years before satisfactory systems were worked out. These would result in the 7 cm Gebirgsgeschütz M 8 and M 9 that used the same barrel and ammunition as the M 99, but had gun shields and proper recoil systems. These guns weighed 402 kilograms (886 lb) and 456 kilograms (1,005 lb) respectively, although the exact differences between them are unclear other than they broke down into four and five loads for transport respectively.
The Gebirgsgeschütz M 99 broke down into three loads for transport.
- Ortner, M. Christian. Austro-Hungarian Artillery From 1867 to 1918: Technology, Organization, and Tactics. Vienna, Verlag Militaria, 2007 ISBN 978-3-902526-13-7
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